It is C3plant that can't shade tolerance. So it has to be planted on sunny fields.
说明柠条为C3植物,不耐荫,应栽植在阳光充足的地方。
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The enzyme is also ubiquitous in C3plant tissues, although a precise non-photosynthetic C3 function(s) is yet to be validated, owing largely to its low abundance in most C3 organs.
It is generally accepted that the carbon isotopic composition of plant material is correlated with C3 and C4 pathways of carbon fixation in photosynthesis.